Thunder Page Speed Optimizer App Reviews

Slow load times are a nightmare, especially for businesses with good ideas that would rather put their time and resources into improving their products and customer relations than fixing a slow website.

Every second your customer is left waiting is a second closer to them throwing in the towel and going to your competitors.

Slow loading times, poor performance and errors result in frustrated customers, lost money, SEO and Low Conversions Rates.

Thunder puts an end to slow websites.

Our fully automated technology will take care of all page elements that slow down your website without you lifting a finger!

Optimize Your Conversion Rate, Lower Bounce rate and Improve SEO by optimizing your Shopify store speed and Core Web Vitals.

Thunder will optimize your mobile & desktop site speed and your core web vitals so that you can provide better user experience, improve your SEO, and ultimately make more sales.

Thunder achieves this through a combination of modern website optimization methods and following all good practices suggested by Google for good SEO:

Cutting edge image compression (product images, theme- and store-specific images) Cache app scripts in Shopify CDN (extremely fast loads) Lazy load your images and serve them in responsive sizes (improves SEO) Inlining critical CSS and deferring render-blocking stylesheets Minify & optimize JS and CSS files Link preloading

Crisp, Responsive Images That LazyLoad

Use our advanced image compression technology to automatically reduce the size of all images on your website. Use compressed images that load fast but still look great on any device!

Thunder will LazyLoad all your images in responsive sizes according to your customers’ device. This will improve your website’s SEO and ensure lightning fast initial page load.

We monitor for new images on your website every few minutes and automatically compress and optimize those too. Original images are stored for 30 days so you can easily revert the compression if it doesn’t turn out the way you like.

Full Control

We create a theme preview before any of the changes get applied to your store in case you don’t like any of the changes. Something goes wrong after the changes are live? Revert it with a single click. We’ve got you covered.